A note on two conjectures
Jiahai Kan (2004)
Acta Arithmetica
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Jiahai Kan (2004)
Acta Arithmetica
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K. Ramachandra (1971)
Acta Arithmetica
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Paul Erdös, Aleksandar Ivić (1982)
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Magdalena Jastrzebska, Adam Grabowski (2006)
Formalized Mathematics
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We formalized some basic properties of the Möbius function which is defined classically as [...] as e.g., its multiplicativity. To enable smooth reasoning about the sum of this number-theoretic function, we introduced an underlying many-sorted set indexed by the set of natural numbers. Its elements are just values of the Möbius function.The second part of the paper is devoted to the notion of the radical of number, i.e. the product of its all prime factors.The formalization (which is...
Artūras Dubickas, Andrius Stankevičius (2007)
Acta Arithmetica
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K. Szymiczek (1964)
Colloquium Mathematicae
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P. Gallagher (1974)
Acta Arithmetica
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Marco Riccardi (2006)
Formalized Mathematics
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The first four sections of this article include some auxiliary theorems related to number and finite sequence of numbers, in particular a primality test, the Pocklington's theorem (see [19]). The last section presents the formalization of Bertrand's postulate closely following the book [1], pp. 7-9.
S.E. Anderson, Y. Guob, A. Tenney, K.A. Wash (2017)
Discussiones Mathematicae Graph Theory
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In 2009, Barrière, Dalfó, Fiol, and Mitjana introduced the generalized hierarchical product of graphs. This operation is a generalization of the Cartesian product of graphs. It is known that every connected graph has a unique prime factor decomposition with respect to the Cartesian product. We generalize this result to show that connected graphs indeed have a unique prime factor decomposition with respect to the generalized hierarchical product. We also give preliminary results on the...
Florian Luca, Francesco Pappalardi (2007)
Acta Arithmetica
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Akhtar, Reza, Evans, Anthony B., Pritikin, Dan (2010)
Integers
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Müller, Tom (2005)
Journal of Integer Sequences [electronic only]
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Xuan Tizuo (1988)
Publications de l'Institut Mathématique
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